Weather Merthyr Tydfil

Last updated 02:02

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Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Saturday

Sunny

 14°C 57°F 4°C 39°F Northerly
3km/h 2mph
Sunday

Sunny

 15°C 59°F 5°C 41°F West South Westerly
10km/h 6mph
Monday

Light Rain

 12°C 54°F 5°C 41°F South Westerly
24km/h 15mph
Tuesday

Light Rain Shower

 12°C 54°F 6°C 43°F Westerly
18km/h 11mph
Wednesday

Light Rain Shower

 12°C 54°F 7°C 45°F West North Westerly
18km/h 11mph

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Forecast

Further ahead
Sunrise 05:08 Sunset 21:14
Weather forecast details for Saturday 25 May. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0700 hours1000 hours1300 hours1600 hours1900 hours2200 hours0100 hours
Sun		0400 hours
Weather Conditions Sunny Sunny Sunny Sunny Intervals White Cloud Clear Sky Clear Sky Clear Sky
Temperature (°C/°F) 5°C 41°F 10°C 50°F 12°C 54°F 14°C 57°F 13°C 55°F 9°C 48°F 7°C 45°F 5°C 41°F
Wind Speed (mph/km/h) 6km/h 4mph Northerly 8km/h 5mph North Easterly 3km/h 2mph Northerly 8km/h 5mph West North Westerly 13km/h 8mph West North Westerly 10km/h 6mph North Westerly 6km/h 4mph North Westerly 5km/h 3mph North Westerly
Wind Direction N NE N WNW WNW NW NW NW
Humidity 84% 58% 46% 46% 57% 74% 81% 88%
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG VG VG VG VG VG G
Pressure (Millibars) 1022 1023 1023 1022 1022 1023 1022 1022

Wales

Forecast Summary

  • Today

    A chilly start but temperatures soon warming to give a pleasant and warm day. Dry throughout with sunny periods. Coastal areas will be a little cooler with light winds coming off the sea.

  • Tonight

    A clear and dry night, but cold with a risk of a localised grass frost developing in rural parts. Perhaps some mist or fog patches developing in places towards dawn.

Environmental Summary

UV: 5

UK Range: 1-7

Pollution: Moderate

UK Range: Low to Very High

Pollen: Low

UK Range: Low to Very High

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Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 19:31, Friday 24 May Forecast updated Monday to Friday only Cannot play media. You do not have the correct version of the flash player. Download the correct version

UK

UK Forecast Last updated 00:13, Saturday 25 May Cannot play media. You do not have the correct version of the flash player. Download the correct version

Observations

Observed at 04:00, Saturday 25 May

Partly Cloudy

5°C 41°F

8km/h 5mph North Westerly

Humidity: 78%

Visibility: Very Good

Pressure: 1021mb, Rising

Observation station: Sennybridge

(Lat: 52.067 | Lon: -3.617)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

Information given for most appropriate forecast location. See FAQs for details